Step 1:- Mix the butter and sugar well
Step 2:- Add the eggs gradually, mixing well
Step 3:- Add flour and baking powder and make the dough homogeneous
Step 4:- Mash the bananas and add them to the batter
Step 5:- Add the vanilla
Step 6:- Pour into a buttered / floured pan
Step 7:- Bake in a preheated oven at 150 degrees for 40 to 50 mts